220006004020 has 24 divisors (see below), whose sum is σ = 504013755168. Its totient is φ = 80002183200.

The previous prime is 220006003993. The next prime is 220006004027. The reversal of 220006004020 is 20400600022.

It is a junction number, because it is equal to n+sod(n) for n = 220006003985 and 220006004003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220006004027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500013426 + ... + 500013865.

It is an arithmetic number, because the mean of its divisors is an integer number (21000573132).

Almost surely, 2^220006004020 is an apocalyptic number.

220006004020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220006004020 is an abundant number, since it is smaller than the sum of its proper divisors (284007751148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220006004020 is a wasteful number, since it uses less digits than its factorization.

220006004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000027311 (or 1000027309 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 220006004020 its reverse (20400600022), we get a palindrome (240406604042).

The spelling of 220006004020 in words is "two hundred twenty billion, six million, four thousand, twenty".